{
  "info": {
    "_postman_id": "1146431e-e665-41a4-94b5-fab6e381cb9e",
    "name": "Microsoft Project Online REST Assignments Custom Fields API",
    "description": "REST API for accessing and managing Microsoft Project Online and Project Server data including projects, tasks, resources, assignments, calendars, custom fields, timesheets, lookup tables, and workflow activities. Uses SharePoint-based REST endpoints via the ProjectServer service.\n\nContact Support:\n Name: Microsoft Project Support",
    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json",
    "createdAt": "2026-07-28T02:12:12.000Z",
    "updatedAt": "2026-07-28T02:12:12.000Z",
    "lastUpdatedBy": "35240",
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  },
  "item": [
    {
      "name": "CustomFields",
      "item": [
        {
          "name": "Microsoft Project List Custom Fields",
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          "protocolProfileBehavior": {
            "disableBodyPruning": true
          },
          "request": {
            "method": "GET",
            "header": [
              {
                "key": "Accept",
                "value": "application/json"
              }
            ],
            "url": {
              "raw": "{{baseUrl}}/CustomFields",
              "host": [
                "{{baseUrl}}"
              ],
              "path": [
                "CustomFields"
              ]
            },
            "description": "Retrieve all enterprise custom field definitions."
          },
          "response": [
            {
              "id": "83fe2629-5c29-4ebb-bfae-9df3c7b361ac",
              "name": "List of custom fields",
              "originalRequest": {
                "method": "GET",
                "header": [
                  {
                    "key": "Accept",
                    "value": "application/json"
                  },
                  {
                    "description": "Added as a part of security scheme: oauth2",
                    "key": "Authorization",
                    "value": "<token>"
                  }
                ],
                "url": {
                  "raw": "{{baseUrl}}/CustomFields",
                  "host": [
                    "{{baseUrl}}"
                  ],
                  "path": [
                    "CustomFields"
                  ]
                }
              },
              "status": "OK",
              "code": 200,
              "_postman_previewlanguage": "json",
              "header": [
                {
                  "key": "Content-Type",
                  "value": "application/json"
                }
              ],
              "cookie": [],
              "responseTime": null,
              "body": "{\n  \"value\": [\n    {\n      \"Id\": \"<uuid>\",\n      \"InternalName\": \"<string>\",\n      \"Name\": \"<string>\",\n      \"FieldType\": \"<integer>\",\n      \"EntityType\": \"<integer>\",\n      \"Description\": \"<string>\",\n      \"LookupTableId\": \"<uuid>\",\n      \"IsRequired\": \"<boolean>\",\n      \"IsMultilineText\": \"<boolean>\",\n      \"Formula\": \"<string>\"\n    },\n    {\n      \"Id\": \"<uuid>\",\n      \"InternalName\": \"<string>\",\n      \"Name\": \"<string>\",\n      \"FieldType\": \"<integer>\",\n      \"EntityType\": \"<integer>\",\n      \"Description\": \"<string>\",\n      \"LookupTableId\": \"<uuid>\",\n      \"IsRequired\": \"<boolean>\",\n      \"IsMultilineText\": \"<boolean>\",\n      \"Formula\": \"<string>\"\n    }\n  ]\n}",
              "createdAt": "2026-07-28T02:12:13.000Z",
              "updatedAt": "2026-07-28T02:12:13.000Z",
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          "createdAt": "2026-07-28T02:12:13.000Z",
          "updatedAt": "2026-07-28T02:12:13.000Z",
          "uid": "35240-f376dbe6-9c96-44dc-badc-5be87c55ce18"
        },
        {
          "name": "Microsoft Project Create Custom Field",
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          "protocolProfileBehavior": {
            "disableBodyPruning": true
          },
          "request": {
            "method": "POST",
            "header": [
              {
                "key": "Content-Type",
                "value": "application/json"
              },
              {
                "key": "Accept",
                "value": "application/json"
              }
            ],
            "body": {
              "mode": "raw",
              "raw": "{\n  \"Name\": \"<string>\",\n  \"FieldType\": \"<integer>\",\n  \"EntityType\": \"<integer>\",\n  \"Description\": \"<string>\"\n}",
              "options": {
                "raw": {
                  "headerFamily": "json",
                  "language": "json"
                }
              }
            },
            "url": {
              "raw": "{{baseUrl}}/CustomFields",
              "host": [
                "{{baseUrl}}"
              ],
              "path": [
                "CustomFields"
              ]
            },
            "description": "Create a new enterprise custom field definition."
          },
          "response": [
            {
              "id": "1544e4ab-d389-4f38-8224-017e1c1a0e2f",
              "name": "Custom field created",
              "originalRequest": {
                "method": "POST",
                "header": [
                  {
                    "key": "Content-Type",
                    "value": "application/json"
                  },
                  {
                    "key": "Accept",
                    "value": "application/json"
                  },
                  {
                    "description": "Added as a part of security scheme: oauth2",
                    "key": "Authorization",
                    "value": "<token>"
                  }
                ],
                "body": {
                  "mode": "raw",
                  "raw": "{\n  \"Name\": \"<string>\",\n  \"FieldType\": \"<integer>\",\n  \"EntityType\": \"<integer>\",\n  \"Description\": \"<string>\"\n}",
                  "options": {
                    "raw": {
                      "headerFamily": "json",
                      "language": "json"
                    }
                  }
                },
                "url": {
                  "raw": "{{baseUrl}}/CustomFields",
                  "host": [
                    "{{baseUrl}}"
                  ],
                  "path": [
                    "CustomFields"
                  ]
                }
              },
              "status": "Created",
              "code": 201,
              "_postman_previewlanguage": "json",
              "header": [
                {
                  "key": "Content-Type",
                  "value": "application/json"
                }
              ],
              "cookie": [],
              "responseTime": null,
              "body": "{\n  \"Id\": \"<uuid>\",\n  \"InternalName\": \"<string>\",\n  \"Name\": \"<string>\",\n  \"FieldType\": \"<integer>\",\n  \"EntityType\": \"<integer>\",\n  \"Description\": \"<string>\",\n  \"LookupTableId\": \"<uuid>\",\n  \"IsRequired\": \"<boolean>\",\n  \"IsMultilineText\": \"<boolean>\",\n  \"Formula\": \"<string>\"\n}",
              "createdAt": "2026-07-28T02:12:13.000Z",
              "updatedAt": "2026-07-28T02:12:13.000Z",
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            }
          ],
          "createdAt": "2026-07-28T02:12:13.000Z",
          "updatedAt": "2026-07-28T02:12:13.000Z",
          "uid": "35240-cc07a5a5-4e00-4358-b457-d2299cb75d77"
        }
      ],
      "id": "3e17ebfa-15db-4a08-b712-d96896f84eb5",
      "createdAt": "2026-07-28T02:12:13.000Z",
      "updatedAt": "2026-07-28T02:12:13.000Z",
      "uid": "35240-3e17ebfa-15db-4a08-b712-d96896f84eb5"
    },
    {
      "name": "CustomFields('{fieldId}')",
      "item": [
        {
          "name": "Microsoft Project Get Custom Field",
          "id": "0a33de27-c376-45f9-a5ee-8f250a630d8e",
          "protocolProfileBehavior": {
            "disableBodyPruning": true
          },
          "request": {
            "method": "GET",
            "header": [
              {
                "key": "Accept",
                "value": "application/json"
              }
            ],
            "url": {
              "raw": "{{baseUrl}}/CustomFields('{{fieldId}}')",
              "host": [
                "{{baseUrl}}"
              ],
              "path": [
                "CustomFields('{{fieldId}}')"
              ]
            },
            "description": "Retrieve a specific custom field by ID."
          },
          "response": [
            {
              "id": "21871eaf-6eff-4b27-aea0-36122f85c943",
              "name": "Custom field details",
              "originalRequest": {
                "method": "GET",
                "header": [
                  {
                    "key": "Accept",
                    "value": "application/json"
                  },
                  {
                    "description": "Added as a part of security scheme: oauth2",
                    "key": "Authorization",
                    "value": "<token>"
                  }
                ],
                "url": {
                  "raw": "{{baseUrl}}/CustomFields('{{fieldId}}')",
                  "host": [
                    "{{baseUrl}}"
                  ],
                  "path": [
                    "CustomFields('{{fieldId}}')"
                  ]
                }
              },
              "status": "OK",
              "code": 200,
              "_postman_previewlanguage": "json",
              "header": [
                {
                  "key": "Content-Type",
                  "value": "application/json"
                }
              ],
              "cookie": [],
              "responseTime": null,
              "body": "{\n  \"Id\": \"<uuid>\",\n  \"InternalName\": \"<string>\",\n  \"Name\": \"<string>\",\n  \"FieldType\": \"<integer>\",\n  \"EntityType\": \"<integer>\",\n  \"Description\": \"<string>\",\n  \"LookupTableId\": \"<uuid>\",\n  \"IsRequired\": \"<boolean>\",\n  \"IsMultilineText\": \"<boolean>\",\n  \"Formula\": \"<string>\"\n}",
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              "updatedAt": "2026-07-28T02:12:13.000Z",
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          "createdAt": "2026-07-28T02:12:13.000Z",
          "updatedAt": "2026-07-28T02:12:13.000Z",
          "uid": "35240-0a33de27-c376-45f9-a5ee-8f250a630d8e"
        },
        {
          "name": "Microsoft Project Delete Custom Field",
          "id": "7ae19eee-6c8c-4d35-9bcc-4e3c63887f9b",
          "protocolProfileBehavior": {
            "disableBodyPruning": true
          },
          "request": {
            "method": "DELETE",
            "header": [],
            "url": {
              "raw": "{{baseUrl}}/CustomFields('{{fieldId}}')",
              "host": [
                "{{baseUrl}}"
              ],
              "path": [
                "CustomFields('{{fieldId}}')"
              ]
            },
            "description": "Delete a custom field definition."
          },
          "response": [
            {
              "id": "6bf20896-5b84-4537-af4d-3de2d52f3f8a",
              "name": "Custom field deleted",
              "originalRequest": {
                "method": "DELETE",
                "header": [
                  {
                    "description": "Added as a part of security scheme: oauth2",
                    "key": "Authorization",
                    "value": "<token>"
                  }
                ],
                "url": {
                  "raw": "{{baseUrl}}/CustomFields('{{fieldId}}')",
                  "host": [
                    "{{baseUrl}}"
                  ],
                  "path": [
                    "CustomFields('{{fieldId}}')"
                  ]
                }
              },
              "status": "No Content",
              "code": 204,
              "_postman_previewlanguage": "text",
              "header": [],
              "cookie": [],
              "responseTime": null,
              "body": null,
              "createdAt": "2026-07-28T02:12:13.000Z",
              "updatedAt": "2026-07-28T02:12:13.000Z",
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          "updatedAt": "2026-07-28T02:12:13.000Z",
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      "id": "f94f5376-89c5-451d-aefe-d4155cd0e1f4",
      "createdAt": "2026-07-28T02:12:13.000Z",
      "updatedAt": "2026-07-28T02:12:13.000Z",
      "uid": "35240-f94f5376-89c5-451d-aefe-d4155cd0e1f4"
    }
  ],
  "auth": {
    "type": "oauth2",
    "oauth2": [
      {
        "key": "scope",
        "value": "ProjectServer.Read ProjectServer.ReadWrite",
        "type": "string"
      },
      {
        "key": "accessTokenUrl",
        "value": "https://login.microsoftonline.com/common/oauth2/token",
        "type": "string"
      },
      {
        "key": "authUrl",
        "value": "https://login.microsoftonline.com/common/oauth2/authorize",
        "type": "string"
      },
      {
        "key": "grant_type",
        "value": "authorization_code",
        "type": "string"
      }
    ]
  },
  "variable": [
    {
      "key": "tenant",
      "value": "contoso"
    },
    {
      "key": "baseUrl",
      "value": "https://{{tenant}}.sharepoint.com/sites/pwa/_api/ProjectServer"
    },
    {
      "key": "fieldId",
      "value": "<uuid>"
    }
  ]
}